Kilo vs FastTime
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kilo
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Kilo is a quiet place to record your weight and see how things change over time. Rather than focusing on a single number, Kilo helps you keep a gentle, consistent record. Log today’s weight, explore your records on the calendar, and look back at your progress on a chart. Set a goal weight to see how far you have come. Choose the days and time for a reminder, so it is easier to keep your routine going. Your records stay on your device, and you can export or import them as a CSV file whenever you need. Kilo keeps things simple, from writing down a record to revisiting it later. There are no ads to get in the way. Features - Record your weight and notes by date - Explore changes on a calendar and chart - View monthly reports and a goal weight - Set reminders for the days and time you choose - Export and import records as CSV files - Protect the app with device authentication - Available in English, Japanese and Korean - An ad-free experience Please note - Weight and notes are stored on your device. - Sharing usage analytics to help improve the app is optional. - Kilo supports personal health tracking and does not replace medical care or professional advice.
FastTime
This app offers a straightforward timer for intermittent fasting, allowing users to easily track their fasting hours and progress. It features customizable goals, helpful reminders, and visual statistics to support a healthier lifestyle. Data is kept private and stored locally on the device.
- Ultra-simple one-tap timer
- Customizable fasting goals
- Precise fasting reminders
- Visual statistics and charts
- Local data privacy
- No registration required
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"Simplicity is the key to health. The lightest fasting tracker, FastTime." FastTime is an intuitive timer app designed for everyone practicing intermittent fasting. We've stripped away the noise to focus solely on your fasting hours and progress. [Why Choose FastTime?] - Ultra-Simple Timer: Check your status and start logging with just one tap the moment you open the app. - Customizable Goals: Choose from popular plans like 16:8, 18:6, 20:4, or set your own custom target hours. - Powerful Reminders: Stay consistent with precise alerts for goal completion and upcoming fasting sessions. - Visual Statistics: Review your hard-earned data through charts and feel the sense of achievement. - Data Privacy: Use it instantly without any registration. Your data stays locally on your device for total privacy. Start your journey to a healthier you. Discover the value of fasting with FastTime.
Screenshots
Verdict
The clearest difference is ads: Kilo at none against FastTime's shown. Kilo also leads on update cadence (fortnightly vs monthly). FastTime's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.1). On price and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Kilo ships an update fortnightly, FastTime monthly. Both last shipped on October 31, 2026.
| Parameter | Kilo | FastTime |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Jinhyeong Kim | Seulki Eom |
In-app purchases
Kilo
No in-app purchases
FastTime
No in-app purchases
